Can Someone Hack Your Cash App With Your User Name? Have issues with cash app safety features? Whenever you’re stuck with any technical error or query, call the techies of cash app. All you need to do is to ask your technical query cash app help team. To get proper assistance on this, call the experts. Just stay in touch with the cash app help technical engineers by ringing the helpline number. So, get in touch with the cash app representatives through which one can easily overcome technical issues.